INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21a6781f7e70dedc87f8f0dd8d0ad2968fc68e42afe956b997294c100d01dcb2', 
    '+xFobP3PMqxasTckHmySmqCx07B1yE9peTp7M4jixRk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)